61125880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89891}}^1$

素因数の和:89919

約数の個数: 32

約数和(自身を含む): 145625040

約数和(自身を除く): 84499160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 89891, 179782, 359564, 449455, 719128, 898910, 1528147, 1797820, 3056294, 3595640, 6112588, 7640735, 12225176, 15281470, 30562940, 61125880]

約数ペア:

[(1, 61125880), (2, 30562940), (4, 15281470), (5, 12225176), (8, 7640735), (10, 6112588), (17, 3595640), (20, 3056294), (34, 1797820), (40, 1528147), (68, 898910), (85, 719128), (136, 449455), (170, 359564), (340, 179782), (680, 89891)]